--Simulators--
CVC
NCSim

--Build tools--
Synplify
icarus?

Shorten opencores checkout message
Document the internal API
Read arguments from file
Add glob support in CAPI (wildcards in src_files et. al.)
Switch to a better format (YAML?) for CAPI2
Add checksums to cache
Add use flag support
Check if cache is clean and revision is equal to core description
Add checksum to local cores
Add support for version requirement in dependencies
Add support for programming devices with urjtag
Allow cores to register themselves as generators
